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WilsonEL,Ed Hardy mexico, YuanMingwu, DickensJM. DynamicanalysiydirectsuperpositionofRitzvectors. Earth-quakeEngineeringandStructuralDynamics,louboutin københavn, 1982; 10:813-8216SimiuE,gorras ed hardy, ScanlanRH. WindEffectsonStructures. 3rdEdition. NewYork: JohnWiley & Sons, Inc, 19967 Zhen-Hua Ni . Vibrations. Xi'an: Xi'an Jiaotong University Press , 1989AnalysisofWind - InducedResponseforLarge '· SpanDomeRoofsHuangMingkaiNiZhenhuaXieZhuangning (DepartmentofCivilEngineering, ShantouUniversity, Shantou,tory burch outlet, 515063, China) Abstract: Thesolutionoftheeigenvalueproblemforlarge-spanroofstructureisofthemostcostlyphaseofdynamicresponseanalyses. AndsomespecificmodesthathavedominantcontributionstOthestructuralresponseareeasilyoverlookedbecauseoftheirhigherpositionofmodalorderwhileusingthetraditionalmodalsuperpositionmethod. Inthispaperasanexampleofatypicallarge-spandomeroof, thedirectsuperpositionmethodofRitzvectorsareusedinthesolutionoftheeigenvalueprob-lemandthecalculationofwind-inducedresponseoftheroofs. ItisafeaturethatasequenceoforthogonalRitzvectorsisgen-eratedautomaticallybasedontheerrorminimizationandemployedtOreducethesizeofthesystem. Comparedbytheresponseobtainedbythetraditionalmodesuperpositionmethod, thedirectsuperpositionmethodofRitzvectorsyieldsmoreaccurateresuItswithfewervectorsandthecontributionsofhighermodesarenotoverlooked. Theproposedmethodnotonlyreducescomputationtimesignificantlybutalsoprovideserrorestimationforthedynamicanalysis · Keywords: wind-inducedvibration; modalanalysis; domeroofs; Ritzvector first author : Huang Ming- open , male , graduate ,Oakley Briller, 1973 students 1O months . Tel : (0754) 2902550,2904137; E-mail: g-mkhuang @ stu. edu · cn 相关的主题文章： oakley norge Soil, boundary element structure inte franklin & marshall Automatically detects dust and christian louboutin shoes Development of eco- indu |
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